<!doctype html>
  <meta charset="utf-8" />
  <meta name="author" title="Keith Cirkel" href="mailto:keithamus@github.com" />
  <link rel="help" href="https://open-ui.org/components/invokers.explainer/" />
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="/resources/WebIDLParser.js"></script>
  <script src="/resources/idlharness.js"></script>

  <script>
    idl_test(["observable.tentative"], ["dom"], (idl_array) => {
      idl_array.add_objects({
        Observable: ["new Observable(() => {})"],
        Subscriber: [
          "(() => { let s = null; new Observable(_s => s = _s).subscribe({}); return s })()",
        ],
      });
    });
  </script>
</t>
